Select the good that doesn't belong to the same group. O National defense O Pollution control O Public park O Tornado siren QUESTION 2 One way to solve a Common Resource Problem is to a. impose a tax or fee. O b. give producers a subsidy to solve the problem. c. use private property rights. Od. a and c are both correct QUESTION 3 A public goods is excludable and rival O excludable and non-rival non-excludable and rival non-excludable and non-rival QUESTION 4 In a market with a negative externality we observe that the original market equilibrium O is associated with under-production. is associated with over-production is associated with efficient production is associated with no Deadweight Loss (DWL) OO